[Oilpan] Migrate most classes under core/animations to Oilpan heap.

Source/core/animation/StringKeyframe.h

Index: Source/core/animation/StringKeyframe.h
diff --git a/Source/core/animation/StringKeyframe.h b/Source/core/animation/StringKeyframe.h
index 1b958f584e401916788c438ec34407af57de65e3..89d60824339e12e041296d97af33c02be30d0375 100644
--- a/Source/core/animation/StringKeyframe.h
+++ b/Source/core/animation/StringKeyframe.h
@@ -16,9 +16,9 @@ class StyleSheetContents;
 
 class StringKeyframe : public Keyframe {
 public:
-    static PassRefPtrWillBeRawPtr<StringKeyframe> create()
+    static StringKeyframe* create()
     {
-        return adoptRefWillBeNoop(new StringKeyframe);
+        return new StringKeyframe;
     }
 
     void setPropertyValue(CSSPropertyID, const String& value, Element*, StyleSheetContents*);
@@ -46,28 +46,28 @@ public:
         CSSValue* value() const { return m_value.get(); }
 
         virtual void populateAnimatableValue(CSSPropertyID, Element&, const ComputedStyle* baseStyle) const;
-        const PassRefPtrWillBeRawPtr<AnimatableValue> getAnimatableValue() const final { return m_animatableValueCache.get(); }
-        void setAnimatableValue(PassRefPtrWillBeRawPtr<AnimatableValue> value) { m_animatableValueCache = value; }
+        AnimatableValue* getAnimatableValue() const final { return m_animatableValueCache.get(); }
+        void setAnimatableValue(AnimatableValue* value) { m_animatableValueCache = value; }
 
         bool isNeutral() const final { return !m_value; }
-        PassOwnPtrWillBeRawPtr<Keyframe::PropertySpecificKeyframe> neutralKeyframe(double offset, PassRefPtr<TimingFunction> easing) const final;
-        PassRefPtrWillBeRawPtr<Interpolation> maybeCreateInterpolation(PropertyHandle, Keyframe::PropertySpecificKeyframe& end, Element*, const ComputedStyle* baseStyle) const final;
+        Keyframe::PropertySpecificKeyframe* neutralKeyframe(double offset, PassRefPtr<TimingFunction> easing) const final;
+        Interpolation* maybeCreateInterpolation(PropertyHandle, Keyframe::PropertySpecificKeyframe& end, Element*, const ComputedStyle* baseStyle) const final;
 
         DECLARE_VIRTUAL_TRACE();
 
     private:
         CSSPropertySpecificKeyframe(double offset, PassRefPtr<TimingFunction> easing, CSSValue*);
 
-        virtual PassOwnPtrWillBeRawPtr<Keyframe::PropertySpecificKeyframe> cloneWithOffset(double offset) const;
+        virtual Keyframe::PropertySpecificKeyframe* cloneWithOffset(double offset) const;
         bool isCSSPropertySpecificKeyframe() const override { return true; }
 
-        PassRefPtrWillBeRawPtr<Interpolation> createLegacyStyleInterpolation(CSSPropertyID, Keyframe::PropertySpecificKeyframe& end, Element*, const ComputedStyle* baseStyle) const;
-        static bool createInterpolationsFromCSSValues(CSSPropertyID, CSSValue* fromCSSValue, CSSValue* toCSSValue, Element*, OwnPtrWillBeRawPtr<WillBeHeapVector<RefPtrWillBeMember<Interpolation>>>& interpolations);
+        Interpolation* createLegacyStyleInterpolation(CSSPropertyID, Keyframe::PropertySpecificKeyframe& end, Element*, const ComputedStyle* baseStyle) const;
+        static bool createInterpolationsFromCSSValues(CSSPropertyID, CSSValue* fromCSSValue, CSSValue* toCSSValue, Element*, HeapVector<Member<Interpolation>>* interpolations);
 
         void populateAnimatableValueCaches(CSSPropertyID, Keyframe::PropertySpecificKeyframe&, Element*, CSSValue& fromCSSValue, CSSValue& toCSSValue) const;
 
         RefPtrWillBeMember<CSSValue> m_value;
-        mutable RefPtrWillBeMember<AnimatableValue> m_animatableValueCache;
+        mutable Member<AnimatableValue> m_animatableValueCache;
     };
 
     class SVGPropertySpecificKeyframe : public Keyframe::PropertySpecificKeyframe {
@@ -76,12 +76,12 @@ public:
 
         const String& value() const { return m_value; }
 
-        PassOwnPtrWillBeRawPtr<PropertySpecificKeyframe> cloneWithOffset(double offset) const final;
+        PropertySpecificKeyframe* cloneWithOffset(double offset) const final;
 
-        const PassRefPtrWillBeRawPtr<AnimatableValue> getAnimatableValue() const final { return nullptr; }
+        AnimatableValue* getAnimatableValue() const final { return nullptr; }
 
-        PassOwnPtrWillBeRawPtr<PropertySpecificKeyframe> neutralKeyframe(double offset, PassRefPtr<TimingFunction> easing) const final;
-        PassRefPtrWillBeRawPtr<Interpolation> maybeCreateInterpolation(PropertyHandle, Keyframe::PropertySpecificKeyframe& end, Element*, const ComputedStyle* baseStyle) const final;
+        PropertySpecificKeyframe* neutralKeyframe(double offset, PassRefPtr<TimingFunction> easing) const final;
+        Interpolation* maybeCreateInterpolation(PropertyHandle, Keyframe::PropertySpecificKeyframe& end, Element*, const ComputedStyle* baseStyle) const final;
 
         DECLARE_VIRTUAL_TRACE();
 
@@ -100,8 +100,8 @@ private:
 
     StringKeyframe(const StringKeyframe& copyFrom);
 
-    PassRefPtrWillBeRawPtr<Keyframe> clone() const override;
-    PassOwnPtrWillBeRawPtr<Keyframe::PropertySpecificKeyframe> createPropertySpecificKeyframe(PropertyHandle) const override;
+    Keyframe* clone() const override;
+    Keyframe::PropertySpecificKeyframe* createPropertySpecificKeyframe(PropertyHandle) const override;
 
     bool isStringKeyframe() const override { return true; }